Former Cubs pitcher Jon Lester retires after 16 seasons
Jon Lester retires
Longtime Red Sox and Cubs ace Jon Lester announces retirement
Jon Lester announces retirement after 16 seasons, three World Series titles - ESPN
Three-time World Series champion Jon Lester announces retirement
Jon Lester - Wikipedia
Former All-Star pitcher Jon Lester announces retirement after 16 MLB seasons
Jon Lester – Wikipedia
Jon Lester, former Cubs, Red Sox pitcher, announces retirement